CVE-2026-6810

Medium

Description

The Booking Calendar Contact Form plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.2.63 via the dex_bccf_admin_int_calendar_list.inc.php file due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to takeover other user's calendars and view user data associated with the calendar.

SeverityMedium

CVSS5.3

Exploit probability—

ProductBooking Calendar Contact Form

PublishedApr 24, 2026

First seenApr 24, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
codepeople Booking Calendar Contact Form	v ≤ 1.2.63	—

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